Tupolev ANT-21 (Italian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Tupolev ANT-21" in Italian language version.

refsWebsite

Global rank Italian rank

2,122^nd place

2,390^th place

1web.archive.org

1^st place

1^st place

low place

low place

low place

3,315^th place

airwar.ru (Global: 2,122^nd place; Italian: 2,390^th place)

(RU) Туполев Ми-3, in Уголок неба, http://www.airwar.ru. URL consultato il 26 maggio 2012.

aviastar.org (Global: low place; Italian: 3,315^th place)

(EN) Maksim Starostin, Tupolev ANT-21 (MI-3), in Virtual Aircraft Museum, http://www.aviastar.org/index2.html. URL consultato il 26 maggio 2012.

tupolev.ru (Global: low place; Italian: low place)

(EN) ANT-40 (SB), in Public Stock Company Tupolev, http://www.tupolev.ru/English/Default.asp. URL consultato il 26 maggio 2012 (archiviato dall'url originale il 16 maggio 2012).

web.archive.org (Global: 1^st place; Italian: 1^st place)

(EN) ANT-40 (SB), in Public Stock Company Tupolev, http://www.tupolev.ru/English/Default.asp. URL consultato il 26 maggio 2012 (archiviato dall'url originale il 16 maggio 2012).